Solve the problem.The intensity L(x) of light x ft beneath the surface of a lake satisfies the differential equation 
. At what depth, to the nearest foot, is the intensity one tenth the intensity at the surface?
A. 49 ft
B. 22 ft
C. 16 ft
D. 33 ft
Answer: D
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Find the relative extrema of the function. Find the relative extrema of trigonometric functions on [0, 2? ]. List your answers in terms of ordered pairs. Then sketch a graph of the function.
Solve the problem.Joan bought 4.5 yards of fabric for $24.75. What was the price of a yard of fabric?
A. $29.25 B. $14.50 C. $5.50 D. $20.25
Solve the problem.100 employees of a company are asked how they get to work and whether they work full time or part time. The figure below shows the results. If one of the 100 employees is randomly selected, find the probability that the person does not commute by public transportation.
1. Public transportation: 7 full time, 9 part time2. Bicycle: 3 full time, 4 part time3. Drive alone: 29 full time, 33 part time4. Car pool: 9 full time, 6 part time
A. 1.00 B. 0.84 C. 0.16 D. 0.41